RCRA EP Toxicity Test Applied to Dredged Material

by Anthony G. Kizlauskas, US EPA, Great Lakes Natl Program, Office, Chicago, IL, USA,
David Homer, US EPA, Great Lakes Natl Program, Office, Chicago, IL, USA,



Document Type: Proceeding Paper

Part of: Dredging and Dredged Material Disposal

Abstract: A set of 25 Great Lakes harbor sediment samples were subjected to bulk sediment analysis and the EP Toxicity Test. Based on the results of this pilot study, there appears to be little, if any, correlation between the contaminant concentrations in the EP Toxicity Test extract and the bulk sediment concentrations of cadmium, chromium, and lead. None of the sample extracts exhibited the EP toxicity characteristic of hazardous wastes for cadmium, chromium, lead, and mercury despite the fact that the bulk sediment concentrations of these contaminants were among the highest typically encountered in Great Lakes dredged sediments.

Subject Headings: Dredged materials | Toxicity | Material tests | Lakes | Chemical wastes | Cadmium | Great Lakes

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